21465529470

Names of 21465529470

• Cardinal: 21465529470 can be written as Twenty-one billion, four hundred sixty-five million, five hundred twenty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.146552947 × 10¹⁰

Factors of 21465529470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 104

Divisors of 21465529470

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 23 27 30 33 35 42 45 46 49 53 54 55 63 66 69 70 77 90 98 99 105 106 110 115 121 126 135 138 147 154 159 161 165 189 198 207 210 230 231 242 245 253 265 270 294 297 315 318 322 330 345 363 371 378 385 414 441 462 477 483 490 495 506 530 539 583 594 605 621 630 690 693 726 735 742 759 770 795 805 847 882 945 954 966 990 1035 1078 1089 1113 1127 1155 1166 1210 1219 1242 1265 1323 1331 1386 1431 1449 1470 1485 1518 1590 1610 1617 1694 1749 1771 1815 1855 1890 2070 2079 2178 2205 2226 2254 2277 2310 2385 2415 2438 2530 2541 2597 2646 2662 2695 2783 2862 2898 2915 2970 3105 3234 3267 3339 3381 3465 3498 3542 3630 3657 3710 3795 3993 4081 4158 4235 4347 4410 4554 4770 4830 4851 5082 5194 5247 5313 5390 5445 5565 5566 5635 5830 5929 6095 6210 6413 6534 6615 6655 6678 6762 6831 6930 7155 7245 7314 7590 7623 7791 7986 8085 8162 8349 8470 8533 8694 8745 8855 9317 9702 10017 10143 10395 10494 10626 10890 10971 11130 11270 11385 11858 11979 12190 12243 12397 12705 12826 12985 13230 13310 13409 13662 13915 14310 14490 14553 15246 15582 15741 15939 16170 16335 16695 16698 16905 17066 17490 17710 17787 18285 18634 19239 19481 19965 20034 20286 20405 20790 21735 21942 22770 22869 23373 23958 24255 24486 24794 25047 25410 25599 25970 26235 26565 26818 27830 27951 28567 29106 29645 30429 30613 31482 31878 32065 32670 32913 33390 33810 34155 35574 35937 36570 36729 37191 38115 38478 38955 38962 39930 40227 40810 41745 42665 43470 44891 45738 46585 46746 47817 48510 50085 50094 50715 51198 52470 53130 53361 54855 55902 57134 57717 58443 59290 59731 59895 60858 61215 61226 61985 64130 65219 65826 67045 68310 70119 70543 71874 72765 73458 74382 75141 76230 76797 77910 78705 79695 80454 83490 83853 85330 85701 88935 89782 91839 93170 93863 95634 96195 97405 100170 101430 106722 109710 110187 111573 114345 115434 116865 116886 119462 119790 120681 122430 123970 125235 127995 130438 134090 134673 136367 139755 140238 141086 142835 145530 147499 150282 152145 153065 153594 157410 159390 160083 164565 167706 171402 173151 175329 177870 179193 179685 183645 183678 185955 187726 192390 194810 195657 201135 211629 214291 220374 223146 224455 228690 230391 233730 239085 241362 250470 251559 255990 257103 266805 269346 272734 275517 279510 281589 285670 288585 292215 294998 298655 304290 306130 314237 320166 326095 329130 334719 346302 350595 350658 352715 358386 359370 362043 367290 371910 375705 383985 391314 402270 404019 409101 419265 423258 428505 428582 442497 448910 459195 460782 469315 478170 493801 503118 514206 525987 533610 537579 550935 551034 557865 563178 577170 584430 586971 597310 603405 628474 634887 642873 652190 657041 669438 673365 681835 701190 705430 724086 737495 751410 767970 771309 800415 808038 818202 826551 838530 844767 857010 865755 876645 884994 895965 918390 938630 942711 978285 987602 1032493 1051974 1058145 1071455 1075158 1101870 1115730 1151955 1173942 1206810 1212057 1227303 1257795 1269774 1285515 1285746 1314082 1327491 1346730 1363670 1377585 1407945 1474990 1481403 1500037 1542618 1571185 1600830 1612737 1622489 1653102 1673595 1689534 1731510 1753290 1760913 1791930 1810215 1885422 1904661 1928619 1956570 1971123 2020095 2045505 2064986 2116290 2142910 2212485 2303910 2424114 2454606 2469005 2515590 2534301 2571030 2629935 2654982 2687895 2755170 2815890 2828133 2934855 2962806 3000074 3097479 3142370 3174435 3214365 3225474 3244978 3285205 3347190 3456607 3521826 3620430 3681909 3809322 3856545 3857238 3942246 3982473 4040190 4091010 4132755 4223835 4424970 4444209 4500111 4713555 4867467 4938010 5068602 5162465 5259870 5375790 5656266 5785857 5869710 5913369 6060285 6136515 6194958 6348870 6428730 6570410 6637455 6913214 7227451 7363818 7407015 7500185 7713090 7964946 8063685 8112445 8265510 8447670 8484399 8804565 8888418 9000222 9292437 9427110 9523305 9643095 9734934 9855615 10324930 10369821 11357423 11571714 11826738 12120570 12273030 12671505 13274910 13332627 13500333 14140665 14454902 14602401 14814030 15000370 15487395 16127370 16224890 16968798 17283035 17609130 17740107 18409545 18584874 19046610 19286190 19711230 19912365 20739642 21682353 22221045 22500555 22714846 24337335 25343010 26665254 27000666 27877311 28281330 28929285 29204802 29566845 30974790 31109463 34072269 34566070 35480214 36137255 36819090 39824730 40500999 42421995 43364706 43807203 44442090 45001110 46462185 48674670 51849105 55754622 56787115 57858570 59133690 62218926 65047059 66663135 67501665 68144538 72274510 73012005 79501961 81001998 84843990 87614406 88700535 92924370 93328389 102216807 103698210 108411765 113574230 130094118 133326270 135003330 139386555 146024010 155547315 159003922 170361345 177401070 186656778 195141177 202504995 204433614 216823530 219036015 238505883 278773110 306650421 311094630 325235295 340722690 390282354 397509805 405009990 438072030 466641945 477011766 511084035 613300842 650470590 715517649 795019610 933283890 975705885 1022168070 1192529415 1431035298 1533252105 1951411770 2146552947 2385058830 3066504210 3577588245 4293105894 7155176490 10732764735 21465529470
• Sum of all divisors σ(n): 77866997760
• Sum of proper divisors (its aliquot sum) s(n): 56401468290
• 21465529470 is an abundant number, because the sum of its proper divisors (56401468290) is greater than itself. Its abundance is 34935938820

Bases of 21465529470

• Binary: 10011111111011100011111110001111110₂
• Hexadecimal: 0x4FF71FC7E
• Base-36: 9V00SJI

Squares and roots of 21465529470

• 21465529470 squared (21465529470²) is 460768955427438480900
• 21465529470 cubed (21465529470³) is 9890649591588797158370982123000
• The square root of 21465529470 is 146511.1923028409
• The cube root of 21465529470 is 2779.1620350207

Scales and comparisons

• 21,465,529,470 seconds is equal to 682 years, 27 weeks, 6 days, 15 hours, 4 minutes, 30 seconds.
• To count from 1 to 21,465,529,470 would take you about one thousand, three hundred sixty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21465529470 cubic inches would be around 231.6 feet tall.

Recreational maths with 21465529470

• 21465529470 backwards is 07492556412
• 21465529470 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21465529470's digits is 45
• More coming soon!